I thought it was interesting that a 128GB MicroSD card I bought works flawlessly with this phone. The phone handled all the formatting and showed no problems to note. I was able to transfer over 40GB using the phone and SMB transfer no problem. This is the brand in specific.
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I have a sandisk 32gb micro sd card which works fine in my droidx and on win7. however, it's not recognized by the transformer. 16gb works fine. I'm on rev 13, which I updated today.
Anyone else run into this? Is there any workaround? Hate to buy another card.
format in pc as FAT 32
thanks, but I did a quick format and a full format, both fat32.
When i got this tablet, it came with a 16 GB Lexar Micro SDHC card. The only problem is that my TF-101 doesn't recognize it even though it says preparing External Storage. I have a SD card adapter, but idk if it will work with a SDHC, so idk if I can format it to Fat32. Any ways to solve this?
Plug it into a PC if you can, and check what filesystem its formatted as. Then try reformat it to fat32.
And just to clarify, the "HC" part in SDHC simply stands for "High Capacity", which generally means SD cards larger than 2GB.
Some devices can have issues with certain SDHC cards (like my Wii and my N7B), but to my knowledge TF101 is not one of those devices.
Of course, that said, that doesnt mean some weird china-knockoff brand will work, but Lexar isnt that bad and shouldnt pose any issues imo.
So uh, yea, try reformatting it to fat32.
I've several MicroSD cards. One of them, a 16GB one, is unable to work with TF using internal slot. The card works in my PC under Linux and/or Win7, but NOT in TF using internal slot. If I plug an external SD reader in the dock USB port, card is read without any problem.
Of course my other cards work like a charm with internal slot. Why? I don't know.
My solution: use this 'special' SD microUSB card in other device and buy a new one with my TF.
My Lexar 32gb class 10 quit working suddenly as well...the past couple of days it has not been recognized when in the micro SD slot BUT when I put it in an adapter and insert it in my dock it will work just fine. The only thing I have changed was update to the latest OC ICS kernels...wonder if that's the issue?
Ok, so I have run into some problem which I cannot figure out. I have this Toshiba Micro SDXC 64GB (Japan) for 3 month in the Tab3 8.0 w/o issue. When I tried it in the Note Pro 12.2 and it failed to transfer files just like most KatKit users have experienced, so I rooted mine and tried again, not working. This same card has been working fine in both Tab2 7 & Tab3 8 (all rooted) w/o issue when transferring files from USB. Different cables different ports, different format (exFAT and FAT32), quick or full format, formatted inside Note Pro 12.2 or not, also same result. Is it possible it is merely a capability issue, or the Note Pro 12.2 simple cannot handle 64GB SD properly?
Now I know the root works because I also tried my Samsung Micro SDXC 32GB (Korea) in the 12.2 and it works perfectly even copying 28GB video/audio/eBooks through USB2.0 or 3.0 at once, so my 12.2 doesn't seem to be defective. I hate to spend more on another SD but ended up not working either. Any advice? Or any known working 64GB in this device?
*** UPDATE ***
Ok, I just bought a genuine Sandisk Ultra 64GB locally and it works! So, it is the Toshiba card, which perhaps was a counterfeit even though all tests suggest it is fine? At least I can start using my 12.2 instead of troubleshooting. Wasted 2 days.
AFAIK the act of merely rooting doesn't address the permission issues of Kitkat.
I think to assist others in helping you with your issue they may benefit by having a specific example of what isnt working (though I know you tried to be specific, its just all a jumble). Can you give a specific example of how a transfer fails with start to finish details? At least then others can try to replicate things on their devices.
From what you're describing though if you're replicating an action with the 32GB card that you have vs the 64GB and both are formatted the same then it must be a compatibility issue with the 64GB card.
For me I've been using a Sandisk Extreme Plus 64gb that was formatted exFAT out of the box. I've typically placed video files in the 1GB to 2.5GB range onto the card while inserted in the tablet via USB 2.0 cable from a macbook running mavericks w/ android file transfer and have just tested the placement of a 12GB file using USB 2.0 cable from my PC running windows 7 via simple drag and drop. I'm currently rooted and have applied the group definition permission fix to my platform.xml file.
Thanks for the reply. I forgot to mention that I modified the platform.xml too.
I merely copied files from W7 through USB and it would copy some files and then soon stopped and the SD would disappear. It's the same as if the device wasn't rooted at all being mentioned in another thread. But this only happens to this specific card only.
Must be the card if other cards being used the same way don't exhibit the same behavior. If both cards did it then perhaps it would be a driver issue.
i formatted a sandisk 64gb micro sd to put into my tablet and start copying files to the micro sd via the memory card reader, there is nothing on the card prior to transferring the files but as soon as the green bar goes up it cancels and gives a 0x80070037 error with unrecognised device and prompts me to check the micro sd for errors, i proceed to do so and it finds nothing, i retry a couple of times and i get the same error, i try different memory card readers and cables and they all give the same error.
i then attempt to transfer my files while the micro sd is in the tablet and surprisingly it's transferring the files fine, i'm a bit confused by that and i was wondering if anyone can give some hindsight as to what is going on?
there is obviously a problem with the micro sd because i can't get any data on it while it's in the memory card reader and i will have to get a new micro sd card eventually, i'm not buying anymore sandisk memory after this, reason why is because my 32gb micro sd also by sandisk has the same problem, both brought within 9 months of each other, that's £60 down the drain, for now the 64gb will have to do till i buy a new micro sd card but this is just ridiculous, i wasted 4 hours trying to sort this problem out with no progress and i'm exhausted, any ideas or solutions would be helpful.
i've tested my usb ports extensively (so it can't be the usb ports causing the problem), and formatted the sandisk micro sd cards multiple times (to no avail), i've tried 2 different usb drives, and 3 different micro sd cards from samsung and a no name brand and they transfer the same data fine, but as soon as i plug in the sandisk and transfer the data to them i get the errors so i've pinpointed out where the problem lies, i just want a solution to sort all of this out so any help would be grateful.
if i get any changes in the situation i will update in this topic.
Just a update, contacted amazon and will be getting a refund for both micro sd cards, thanks god for that, won't be buying SanDisk ever again after that.
HUYI said:
Just a update, contacted amazon and will be getting a refund for both micro sd cards, thanks god for that, won't be buying SanDisk ever again after that.
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Unreconized device is it has lost connection to your tab. I've had the same problem. Installed a new usb 3.0 card and plugged into that, and the problem went away. if you watch my computer you will see your device disappear and reappear.
shaun298 said:
Unreconized device is it has lost connection to your tab. I've had the same problem. Installed a new usb 3.0 card and plugged into that, and the problem went away. if you watch my computer you will see your device disappear and reappear.
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i tested out both micro sd cards on a memory card reader not from the tablet and the data transferred fine when the micro sd card was installed on the tablet, amazon have agreed to refund the 64gb sandisk but not the 32gb micro sd unfortunately i'm going to buy a usb 3.0 memory card reader and see if i get better results with the 32gb micro sd, not confident that i will though, just going to use the 32gb for something else till it dies, nothing else i can do with it, they can't replace it because it's over a year old and i left it too late.
just plugged in the 32gb micro sd card now and the memory card is not disappearing and reappearing in my computer like you said, the only time i get problem is when data is copied to it then the device disappears.
I seem to be having some trouble transferring all my old stuff from my micro SD to my new Samsung brand SD. I just got a galaxy s5 and am using a 16g card which is full and I purchased a 64g samsung card from Verizon. I took the card from my phone and copied the data using USB reader on laptop to a file. Then I insert new card and drop the data to the new card. Here is where it gets weird. When I put the new card in my phone it deletes my DCIM stuff and corrupts any new photo I take... Why is this happening...?
Format the new card and do the transfer again. If the problem persists, either your SD card reader is broken (I have had problems before with cheap readers. Don't buy cheap readers) or the card is broken.
Thanks I tried everything there it to try, I think the card is a fake. Got it off eBay in a sealed packege but the packege didn't seem very authentic. Payed $15 for it.